Days' Supply
Calculating BUD on nonsterile compounds
Metric Conversions
More Metric Conversions
Alligations
100

You receive a prescription with the following directions and quantity to dispense:

1t q4-6h

Qty: 30

Calculate the days' supply

What is 5 days' supply?


Calculate the most the patient can take - in this instance q4h which = 6 times per day. Take 30 and divide by 6 to get 5 days' supply

100

You are compounding with the following ingredients on April 12, 2024. Create the BUD for the compounded product.

Product A: Expiration date 7/31/2025

Product B: Expiration date 6/5/2026

What is 7/12/2024?

This product will get a 3 month BUD based on:

The earliest manuf exp is 7/31/25. Count how many months it is from 4/12/24 to 7/31/25 = 15 months (and a few extra days - round it to make it easy).

Take 15 months and multiply by 0.25 to get your BUD date. Remember- nothing should get more than 6 months. If your answer is more than 6 months, assign a 6 month BUD.

100

1 teaspoon to mL

What is 5 mL?

100

1 gr (grain)

What is 65 mg? 

100

Alligations are used to

What is combine two products of different concentrated strengths to reach a prescribed concentration?

200

You receive a prescription with the following directions and quantity to dispense:

1-2t q6h

Qty: 72

Calculate the days' supply

What is 9 days' supply?


Calculate the most the patient can take in 24 hours (2 tabs every 6 hours = 8 tablets per day). Divide 72 by 8 = 9 days' supply

200

You are compounding with the following ingredients on April 8, 2024. Create the BUD for the compounded product.

Product A: Expiration date 2/28/2027

Product B: Expiration date 3/31/2029

What is 10/8/2024?

This product will get a 6 month BUD based on:


The earliest manuf exp is 2/28/27. Count how many months it is from 4/8/24 to 2/28/257 = 34 months (and a few extra days - round it to make it easy).


Take 34 months and multiply by 0.25 to get your BUD date = 8.5 month. **Remember- nothing should get more than 6 months. If your answer is more than 6 months, assign a 6 month BUD.

200

1 tablespoon to mL

What is 15 mL?

200

1 lb to grams

What is 454 g?

200

You have an order for 7.5% of Dextrose 250 mL, you only have 5% Dextrose and 50% Dextrose on hand. You would use this many mL per each ingredient to result in 7.5%

What is 13.9 mL of 50% dextrose and 236.1 mL of 5% Dextrose?

300

You receive a prescription with the following directions :

5t qd x 5d

4t qd x 5d 

3t qd x 5d 

2t qd x5d 

1t qd x5d 

Calculate the quantity to dispense

What is 75?

300

You are compounding with the following ingredients on January 16, 2024. Create the BUD for the compounded product.

Product A: Expiration date 9/18/2024

Product B: Expiration date 5/4/2025

Product C: Expiration date 9/30/2024



What is 3/16/2024?


This product will get a 2 month BUD based on:


The earliest manuf exp is 9/18/24. Count how many months it is from 1/16/24 to 9/18/24 = 8 months (and a few extra days - round it to make it easy).


Take 8 months and multiply by 0.25 to get your BUD date. Remember- nothing should get more than 6 months. If your answer is more than 6 months, assign a 6 month BUD.

300

1 ounce to mL

What is 30 mL?

300

1 kg to lb

What is 2.2 lb?

300

You have an order for 3% zinc oxide 454 g and you only have 10% and 1% zinc oxide in stock. You would use this many grams of each to result in 3% zinc oxide.

What is 10% 100.9 g and 1% 353.1 g?

400

You receive a prescription with the following directions and quantity to dispense:

1t tid and qhs

Qty: 28

Calculate the days' supply

What is 7 days?

400

You are compounding with the following ingredients on June 23, 2024. Create the BUD for the compounded product.


Product A: Expiration date 10/31/2025

Product B: Expiration date 4/5/2026

Product C: Expiration date 6/8/2025

Product D: Expiration date 12/31/2024


What is 7/23/2024?


This product will get a 1 month BUD based on:


The earliest manuf exp is 12/31/24. Count how many months it is from 6/23/24 to 12/31/24 = 6 months (and a few extra days - round it to make it easy).


Take 6 months and multiply by 0.25 to get your BUD date. Remember- nothing should get more than 6 months. If your answer is more than 6 months, assign a 6 month BUD.

400

1 cup to mL

What is 240 mL?

400

1 pint to cups

What is 2 cups?

400

You receive an order for Dextrose 20% 250 mL. You have on hand Dextrose 5% and Dextrose 70%. This is how many mL are required of each to result in 70% Dextrose.

What is 57.7 mL of D70 and 192.3 mL of D5?

500

You receive a prescription with the following directions and quantity to dispense:

2t ac and qhs

Qty: 40

Calculate the days' supply

What is 10 days'supply?

500

You are compounding with the following ingredients on February 20, 2024. Create the BUD for the compounded product.


Product A: Expiration date 2/20/2025


Product B: Expiration date 10/31/2025

Product C: Expiration date 5/20/2025


What is 5/20/2024?


This product will get a 3 month BUD based on:


The earliest manuf exp is 2/20/25. Count how many months it is from 2/20/24 to 2/20/25 = 12 months (and a few extra days - round it to make it easy).


Take 12 months and multiply by 0.25 to get your BUD date. Remember- nothing should get more than 6 months. If your answer is more than 6 months, assign a 6 month BUD.

500

1 pint to mL

480 mL

500

1 gal to qt

What is 4 quarts?

500

You receive an order for 1.25% hydrocortisone cream 120 g. You have 2.5% and 1% on hand. This many grams of each strength is needed for a result of 1.25%

What is 20 gm of 2.5% and 100 g of 1%?

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